Search This Blog

Posts

Firewall - UFW
A good place to start is to install a Firewall.
UFW - Uncomplicated Firewall is a basic firewall that works very well and easy to configure with its Firewall configuration tool - gufw, or use Shorewall, fwbuilder, or Firestarter.
Use Firestarter GUI to configure your firewall or refer to the Ubuntu Server Guide, UFW manual pages or the Ubuntu UFW community documentation.

SSH Hardening - key based login, disable root login and change port.
The best way to secure SSH is to use public/private key based login. See SSH/OpenSSH/Keys
If you have to use password authentication, the easiest way to secure SSH is to disable root login and change the SSH port to something different than the sta…